import pandas as pd
import sys
from difflib import unified_diff
# 定义解析文件的方法
def read_excel(file_path):
    # 打开文件 需要避错
    try:
        df = pd.read_excel(file_path)
        return df
    except Exception as e:
        print(f"读取文件出错{e},文件名为{file_path}")
        sys.exit(1)

if __name__ == "__main__":
